Attractive and durable built-in solution with tab-tensioned system for flat projection screen surface at all times. Building in a projection screen efficiently was never so easy.- Easy Serviceability System: once installed, the motor and screen surface remain accessible making adjustments and carrying out maintenance possible. The bottom panel and case remain connected to each other.- Easy to build into existing non-modular ceilings.- The case and the projection screen surface can be made to exactly the right size and the case is available in any colour for optimal integration into any interior.- The projection surface is extremely flat, making it suitable for all types of data and video projection.